from sys import stdin
input = stdin.buffer.readline

x = int(input())
print(8 - (x - 400) // 200) from sys import stdin input = stdin.buffer.readline input stdin.buffer.readline stdin.buffer stdin buffer readline x = int(input()) x int(input()) int input() input print(8 - (x - 400) // 200) print 8 - (x - 400) // 200 8 (x - 400) // 200 x - 400 x 400 200 x = int(input()) int(input()) x input = stdin.buffer.readline stdin.buffer.readline input
from sys import stdin
input = stdin.buffer.readline

x = int(input())
print(8 - (x - 400) // 200)
